Utilities and Roadside Safety (2004) / Chapter Skim
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Pages 17-27
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3Solutions Don L
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–Increase spacing, and –Locate poles where they are less likely to be struck (includes underground)
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Removing or relocating one or a few poles in areas of high hazard is often considered as a treatment when several crashes have occurred. This countermeasure may be particularly appropriate in rural areas where pole spacing is not as dependent on customer service.
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• Presence of other existing underground facilities, • Facility and customer service conversion costs (usually high and borne by the requesting agency) , and • Space requirements (right-of-way space needed for underground facilities is more than double that required for overhead installations)
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Guardrail Extruder Terminal ET-2000 and similar guardrail extruder terminals (Figure 3) have been broadly applied in the United States in the past 6 years.
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three solutions that usually render any needed changes in pole structure or placement unnecessary, QuadGuard occupies the least space but is the most costly. Where space is available, sand-filled barrels are a more cost-effective solution.
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Solutions 13 FIGURE 5 Use of crash cushion in Lafayette, Louisiana.
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• Enhancing night vision by equipping vehicles with ultraviolet headlamps or infrared night vision sensors and by painting utility poles with fluorescent or high-emissivity paint. • Providing navigational or route guidance by equipping vehicles with a Global Positioning System and embedding hazardous pole locations on digital maps.
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Solutions 15 Action Initial Cost Maintenance Cost per yr 5yrs Loss of Service /yr $5yrs Potential Liability Total 5-Year Cost*
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16 Utilities and Roadside Safety Action Initial Cost Maintenance Cost per Hit 5 Hits Loss of Service /yr $5 yrs Potential Liability Total 5-Year Cost*
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REFERENCES 1. Roadside Design Guide.
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